I had my mirena removed july 25, 2012 & I bleed from july 27-aug 12 VERY HEAVY, GOLFBALL SIZE CLOTS, it was placed in me nov 16, 2010 I began having cyst on ovary, Major weight gain, tiredness, and even had so much pain they thought was my appendix n removed it, and then started HEART RACING N HIGH B/p...had it removed and no more heart problems, pain, tiredness, and lost 16 pounds in this 1 mth, now having reg period...WOMEN STAY AWAY FROM IT IT IS THE DEVIL